<div class="rel">
<h3>Related Posts</h3>
<?php
if( function_exists('cattag_related_posts') ) { echo '<ul class="ul-recent">' . cattag_related_posts() . '</ul>'; }
?>
</div>

<div class="rell">
<h3>Prior</h3> 
<ul class="ul-recent">
<?php echo $authorPosts; ?>
</ul>
</div>